C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/83 (2006.01) C08F 290/14 (2006.01) C08G 18/08 (2006.01) C08G 18/84 (2006.01) C08L 75/04 (2006.01) C08L 75/14 (2006.01) C09D 175/04 (2006.01) C09D 175/14 (2006.01)
Patent
CA 2143594
There are described aqueous dispersions of polyurethane resins, the production thereof and their use in aqueous coating agents, said dispersions being obtainable in aqueous or non-aqueous phase from a) polyurethane resins with at least one CH acidic group, an ionic or non-ionic hydrophilic group and, optionally, OH and/or NH groups, by b) introduction of olefinic double bonds by reaction with b1) compounds with a CH acidic group and an olefinic double bond, and/or b2) compounds with an olefinic double bond and also a group that is capable of reacting with CH acidic groups, and/or b3) compounds with an olefinic double bond and also a group that is capable of reacting with OH or NH groups, or b4) formaldehyde, whereupon, optionally, conversion into the aqueous phase and radical polymerisation are effected.
Brunner Marcus
Dobert Jurgen
Lenhard Werner
Patzchke Hans-Peter
Schubert Walter
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
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